Parts for Detroit Diesel 371 Non-Turbo - (2 Valve Head Type) - Gasket Section
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Detroit Diesel Crankshaft seal for 8V53, 3-71, 4-71, 6-71, 6v71, 8v71, 12v71 engines
5115454
Front - Standard - Universal rotation
Price: $ 22.56 -
Detroit Diesel Rear Crankshaft seal
5114335
Rear for 271, 371, 471, 671,6V71, 8V71, 12V71, 8V53 and Front for 16V71, 12V92, 16V92. - Standard - Single Lip
Price: $ 33.18 -
Detroit Diesel Rear Crankshaft seal.
5197860
Rear - Oversize - Single Lip for 271, 371, 471, 671, 6V71, 8V71, 8V53 and Front for 16V71,12V92, 16V92 Engines
Price: $ 45.45 -
Detroit Diesel Crankshaft seal for 3-71, 4-71, 6-71, 6v71, 8v71, 12v71 engines
5127821
Rear - Standard - Double lip
Price: $ 41.05 -
Detroit Diesel Rear seal for 3-71, 4-71, 6-71, 6v71, 8v71, 12v71 engines
5196927
Real - Oversize - Double Lip.
Price: $ 119.36 -
Detroit Diesel Sleeve seal
5197159
Oversize - Rear for 71 series and Front for 16V71, 12V92 and 16V92 engines.
Price: $ 55.43 -
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Detroit Diesel Rocker cover gasket kit, for 3-71, 6V71, 6V92, and 12V92
5149510
For use with aluminum rocker covers. New stylePrice: $ 70.50 -
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Detroit Diesel Rocker cover gasket for 3-71 and 6V71
5143405
For tin cover, old style - black rubber
Price: $ 19.39 -
Allison Flywheel Gasket for Marine Transmission M and MH - SAE 2 (Most Common)
29503155
Use when engine housing size is the same as transmission
Price: $ 102.60 -
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Detroit Diesel Governor drive Gasket
5150246
Gasket between blower cover and Governor drive
Price: $ 5.30 -
Detroit Diesel Governor Gasket
5150890
Gasket between the governor housing and the governor drive
Price: $ 3.52 -
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Gasket, turbo exhaust inlet connection
8923580
Outside diameter 5.37", inside diameter 2.74"Price: $ 131.53 -
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Detroit Diesel Gasket for marine manifold flange
23504701
Outside diameter 6.25", inside diameter 4.25"
Price: $ 31.22 -
Detroit Diesel Oil Pan Gasket for 371,16V92,16V71
5150115
For 3-71 and front lower oil pan gasket for 16V71 (2 per engine) & 16V92 (2 per engine)Price: $ 32.02 -
Detroit Diesel Gasket for Hydraulic Governor
23509675
Gasket between Governor and DrivePrice: $ 5.50 -
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Detroit Diesel Gasket, Marine Water Pump
5115395
Each pump uses 2 of this gasket. Water inlet and outletPrice: $ 4.38 -
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Green Paint for Detroit Diesel Engines
26006
Available for ground shipping only in USA and CanadaPrice: $ 12.46 -
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Gasket Spray -High Tack Sealant (Hold & Seals Cut Gaskets)
99MA
For Detroit Diesel & Cummins engines. Available for ground shipping only in USA and CanadaPrice: $ 25.67 -
3H Gasket Maker
3H
For Detroit Diesel & Cummins engines. Available for ground shipping only in USA and CanadaPrice: $ 17.46 -
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Gasket Maker - Ultra Blue RTV Silicone Sensor Safe
77BR
For Detroit Diesel & Cummins enginesPrice: $ 11.03 -
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Why Buy Gasket Sets for Detroit Diesel 3-71 Non-Turbo 2-Valve Head Engines from Diesel Pro Power
The Detroit Diesel 3-71 non-turbo 2-valve engine is known for its reliability and efficiency in marine, industrial, and generator applications—but even the toughest engines depend on high-quality gaskets to maintain performance. Diesel Pro Power provides premium aftermarket gasket sets designed specifically for the 3-71 non-turbo 2-valve head, ensuring exceptional sealing, durability, and fit.
Each gasket set includes every major seal, O-ring, and gasket needed for a complete rebuild—covering the cylinder head, oil pan, intake and exhaust manifolds, water pump, and more. These components are engineered to handle the vibration, heat, and pressure fluctuations that occur in two-stroke Detroit Diesel engines, ensuring consistent performance over time.
Diesel Pro Power’s gasket sets are manufactured from premium materials such as reinforced graphite, composite fiber, and high-grade elastomers. This ensures strong sealing under compression, resistance to oil and coolant exposure, and protection against blow-by or fluid leaks. Each gasket is precision-cut to OEM dimensions for a perfect fit and easy installation.
With more than 40,000 satisfied customers across 180 countries, Diesel Pro Power is the trusted global source for Detroit Diesel parts. Their reputation for dependable quality, expert support, and fast worldwide delivery makes them the first choice for professionals who demand reliability.
Choose Diesel Pro Power for your Detroit Diesel 3-71 non-turbo 2-valve head gasket sets—engineered for perfect fit, long-lasting performance, and trusted sealing power you can depend on.

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